Cheapest priced copy (Secret Lair Drop): $3.49 at Card Kingdom, near mint, their price list as of .
Shadow of Doubt 
Instant · Rare · Secret Lair Drop · #414
({U/B} can be paid with either {U} or {B}.)
Players can't search libraries this turn.
Draw a card.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $3.49 to $19.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: City of Guilds | 253 | Rare | $3.99 | $19.99 |
| Secret Lair Drop | 414 | Rare | $3.49 | $4.49 |
3 rulings from Wizards of the Coast
- 1 October 2005If an effect says "Search your library . . . then shuffle your library," you shuffle you libraries even though you can't search.
- 1 October 2005If an effect says "You may search your library . . . If you do, shuffle your library" or "You may search your library . . . then shuffle your library," you can't choose to search, so you won't shuffle.
- 1 October 2005Effects that instruct you to reveal or look at cards from the top of you library will still work. Only effects that use the word "search" are affected.